PayPal REST API (0Auth 2.0)

Attention!!
THIS EXTENSION CAN ONLY SUPPORT OPENCART 1.5.x WITH PHP 5.3.x or UPDATED VERSIONS.

FREE SUPPORT IS ONLY LIMITED TO UNMODIFIED CHECKOUT.

What is REST?
REST means "REpresentational State Transfer".
http://www.youtube.com/watch?v=llpr5924N7E

This payment module is developed and based on PayPal REST API (OAuth 2.0). This payment module is PCI Compliant. All files are new for Opencart and no need to modify any existing Opencart file systems. Except need to configure and enable this module through the Back-end Admin Interface as shown in section 2.2) of the installation guide. As are result, it is delivered as software file pack in PHP codes.

Front-end demo site is at:
http://www.e-trade360.com.hk/opencart_156/

All test transactions are connected to PayPal Sandbox server at "https://api.sandbox.paypal.com". Success transactions ONLY accept card number "4417119669820331" with any 3 digit Cvv2 code and expiration later than this work weeks.

Free Optional Language Pack supports Simplified and Traditional Chinese can be download from this following:
http://www.opencart.com/index.php?route=extension/extension/info&token=1536cf1cb6ffe58b045020de9b22caeb&extension_id=12341